Int 10/AX=1E06h

VIDEO - FLAT-PANEL - CONTRAST CONTROL FOR TEXT/GRAPHICS

AX = 1E06h
BH = function
bit 7:
=1 set contrast control, =0 query contrast
bits 6-0:
Reserved (0).
---if BH bit 7 set---.
BL = new normal/reverse video setting (see #00059)

Return:
AL = 1Eh if function supported
BH = results
bit 7:
Query/set (copied from input)
bits 6-4:
Reserved (0)
bit 3:
Software contrast control supported for text
bit 2:
Software contrast control supported for graphics
bit 1:
Hardware supports independent control of contrast
in text and graphics modes
bit 0:
Set operation was successful (always clear on get)
BL = active contrast setting (see #00059)

Note: This function operates independently of AX=1E08h

See Also: AX=1E00h - AX=1E04h - AX=1E05h - AX=1E07h -


Bitfields for Flat-Panel contrast control:

Bit(s)  Description     (Table 00059)
7-2    reserved (0)
1      high contrast for text
0      high contrast for graphics

See Also: #00057 - #00058

Category: Video - Int 10h - V

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